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Ksenya-84 [330]
3 years ago
6

-4/9 multiplied by -5/8

Mathematics
1 answer:
svp [43]3 years ago
7 0
To multiply fractions, multiply the two numerators and then the two denominators together.

-4*-5=20
8*9=72

20/72=
10/36=
5/18

Final answer: 5/18
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A 12​-tooth gear on a motor shaft drives a larger gear having 42 teeth. If the motor shaft rotates at 700 ​rpm, what is the spee
nata0808 [166]

Answer:

203 rpm

Step-by-step explanation:

The speed of the larger gear can be calculated using the following equation:

v = \omega*R  

<u>Where</u>:

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R: is the gear ratio

The gear ratio is the following:

R = \frac{n_{(a)}}{n_{(b)}}  

<u>Where:</u>

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Now, the speed of the larger gear is:

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Therefore, the speed of the larger gear is 203 rpm.

I hope it helps you!                        

3 0
3 years ago
Please help I will give brainiest if it's right
Dafna1 [17]

A.Probability = 0 Impossible

B.Probability = 1/2 Even Chance

C.Probability < 1/2 Unlikely

D.Probability = 1 Certain

E.Probability > 1/2 Likely

7 0
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Is 20% greater than 0.02
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6 0
4 years ago
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